Fic a985 Service Manual CHAP1

Chapter
Outline of the A985
1.1 Introduction
The A985 all-in-one notebook offers the latest in advanced portable computing and multimedia technology that even outperforms most desktop computers. It incorporates the latest Intel Pentium 4 Processor running at 400MHz Front Side Bus. It combines support for the new high-bandwidth Double Data Rate (DDR) 266 SDRAM, Integrated VGA and the AC 97 audio codec. Built-in Windows Me / 2000 / XP keyboard, glide pad pointing device, sound system, PCMCIA slots, USB (Universal Serial Bus) port, advanced power management and more new multimedia features.
The Intel® Pentium® 4 processor is the evolutionary step for desktop processor technology. Based on Intel® Net Burst micro architecture, the Pentium 4 processor offers higher­performance processing than ever before. Built with Intel's 0.13-micron technology, the Pentium 4 processor delivers significant performance gains for use in home computing, business solutions and all your processing needs.
1.2 Feature Highlights
The A985 includes a variety of innovative features:
Features Description
CPU
Cache Memory
Bus Architecture 32-bit PCI/PCI-to-ISA Bus Architecture Bus Speed
Desktop Intel ® Pentium 4 SFF Processors using uFCPGA packaging at 1.6 / 1.7 / 1.8 / 1.9 / 2.0 / 2.1 / 2.2 GHz
Support FSB 400MHz.
L1 Cache (Pentium Processor internal): 12KB code and 8KB data 8-way cache associatively provides
L2 Cache (Pentium Processor internal): 512KB code and 8KB data 8-way set associative, 32-byte line size, 1 line per sector
400MHz Front Side Bus
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Outline of the A985
Features Description
System Memory
Display
Base Memory: 1 SO-DIMM Slot (1.25) Size: 128 / 256 / 512MB Type: DDR SDRAM, 2.5V Data Path: 64Bit Frequency: 266MHz Refresh: CBR Refresh
Expansion Memory: 1 SO-DIMM Slot (1.25)
Size: 128 / 256 / 512MB Type: DDR SDRAM, 2.5V Data Path: 64Bit Frequency: 266MHz Refresh: CBR Refresh
Maximum 32-bit True Color display at 1024x768 pixel resolution
for 14" TFT LCD
Brightness controls via hot-key function
15 XGA and SXGA+ TFT support, 14.1 XGA TFT support
VGA
HDD
Optical Device
FDD Keyboard
Embedded in SIS 650 Chipset
High Performance and high quality 3D accelerator with AGP4X
Integrated VB bridge
High performance 2D accelerator
Complete TV-OUT / Digital Flat Panel Solution
Shared with system memory from 8MB ~ 64MB
Built-in (internal) 2.5-inch Format; 9.5mm in Height Enhanced
IDE hard drive
30 GB or above disk drive options
Supports Bus Mastering Ultra-DMA 66 / 100 feature
Built-in ATAPI IDE 24X+ Speed CD-ROM drive; or
Built-in ATAPI IDE 8X+ Speed DVD-ROM drive; or
Built-in ATAPI IDE 4X+ Speed CD-RW drive ; or
Built-in ATAPI IDE CD-RW/DVD combo drive
External USB 3.5-inch 1.44MB floppy disk drive
19mm Pitch and 3mm Travel
Built-in 87 / 90-key Windows keyboard
Compatible with IBM enhanced 101 / 102-key keyboard
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Outline of the A985
Features Description
Pointing Device
PCMCIA Slot
I/O Port
Integrated Touch pad (Glide pad) with 2 select click buttons and 1 scroll button
PS/2 mouse interface
Single-deck PCMCIA 2.1 card slots that support one Type II PC cards
O2Micro OZ6912 (PCI Card Bus controller)
PC/Card Bus Type II x1
32-bit CardBus PCI local bus technology / Supports mixed
voltage PC cards (5V and 3.3V)
Includes the following standard I/O ports:
Serial port: 1 port (D-Sub 9 pin)
Parallel port: 1 port (D-Sub 25 pin)
VGA CRT port: 1 port (D-Sub 15 pin)
USB port: 2 port: Base connector
Port Bar: Not support
Headphone / SPDIF: 1 Jack (Stereo Mini Pin Jack 3P with Optical diode)
MIC In: 1 Jack (Mono Mini Pin Jack 3P)
DC In: 1 port
TV out: 1 port, S-viedo connector
LAN: 1 port
Modem I/F: 1 port
IEEE 1394: 1 port
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Outline of the A985
Features Description
Audio System
Power System
16-bit full-duplex sound controller with software wavetable function and FM stereo synthesizer
AC97 Audio Codec / Compatible with Sound Blaster Pro. AC97 Revision 2.1 Compliant
Integrated 2-way high quality paper cone stereo speakers (>1W) with sound boxes and mono microphone
Includes the following:
ü Audio line-in jack ü Microphone-in jack (MIC-IN) ü Headphone / Audio line-out jack (Consumer IEC958 Output
Port S/PDIF OUT)
ü Volume thumb-wheel knob control
Universal Auto-switching19V / 60W AC Adapter (100V – 240V)
/ Auto-charging capability
Rechargeable Li-Ion (4000mAh/14.8V) Battery Pack
Battery Life: 1 ~ 1.5 hours (Power Management Off)
Charging Time: 3.5 hours quick charge (computer off)
Power Management
LED Indicator
Optional Module
ACPI 1.0B Ready
SMM (Intel System Management Mode) fully supported
Suspend-to-RAM and Suspend-to-Disk feature / Auto Suspend hot-key function / Battery Low Auto Suspend
Cover Switch (Suspend/CRT-only) function
8 x LED Status Indicators for Power Source, Battery Charge, E-
Mail, IDE, Caps Lock, Scroll Lock, Num Lock (LCD x 2 + Machine Base x 5)
56Kbps Fax / Data Internal Modem with V.90 support
10 Base-T / 100 Base-TX LAN Mini PCI
3Com -Combo Modem / LAN Mini-PCI
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Outline of the A985
1.3 System Configuration Diagram
Figure 1-1 System Configuration Diagram
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Outline of the A985
1.4 Quick Tour of the Notebook
Please take a moment to become familiar with the location and purpose of every control, the LED status panel, connectors and ports, which are illustrated in this section. It is recommended to first go through the User Guide of the notebook, which is shipped together with the notebook for information on how to operate its features.
1.4.1 Inside the Notebook
To open the LCD cover of the notebook, find the cover latch located at the front center of the LCD cover. Push the latch to the right to release and tilt the LCD cover up. Inside, you will see the LCD display panel, keyboard, touch pad, status LED, and power switch.
Color LCD Panel
Œ
GlidePad Pointing
Device
Power On / Resume
Button
Integrated Microphone
Power Status LED
Indicator
Easy Button
Ž ‘
Keyboard
Status LED
Indicator
Figure 1-2 Inside the Notebook
Color LCD Display Panel
The notebook comes with several LCD option sizes at 15 SXGA+ (1400x1050) or 14.1 XGA (1024x768) active-matrix TFT color liquid crystal display (LCD). You can adjust and tilt (up to 180o) the LCD screen panel to your desired viewing position.
The notebook computer comes with a color LCD that you can adjust for a comfortable viewing position. The LCD can be 14.1 TFT color LVDS with 1024x768 XGA (Extended Graphics Array) resolution panels or 15 TFT color LVDS with 1400x1050 resolution. The features of the Color LCD Display are summarized as follows:
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Outline of the A985
TFT color LVDS with 14.1" 1024x768 XGA or 15" 1400x1050 resolution panels.
Capable of displaying 16M colors (32-bit true color) on either size panels.
LVDS display control hot-keys allows you to adjust the brightness of the LCD.
Simultaneous display capability for LCD and external desktop computer monitor.
LCD display can be 14.1 or 15" TFT.
The notebook uses SiS®650 Host/Memory controller with AGP4X North Bridge Single Chipset & Built-in High Quality 3D Accelerator VGA graphics controller that owns 8~64MB shared video memory. All LCD models can support 16M colors or maximum 32-bit true color at 1024x768 resolution. The notebook also supports simultaneous display of the LCD with the external VGA monitor.
The LCD screen also uses CCFT (Cold Cathode Fluorescent Tube) backlighting which consumes much of the electrical power of the notebook. To save battery power, the system has an advanced power management feature that switches off the LCD when there is no system activity for a predetermined amount of time.
You adjust the brightness level of the LCD by pressing the display control hot-keys. You activate the hot-keys by pressing the <Fn> key along with another function key:
<Fn> + <F8> Key = Increases the brightness of the LCD display
<Fn> + <F9> Key = Decreases the brightness of the LCD display
Keyboard Panel
Standard QWERTY-key layout and full-sized 87 / 90 keys keyboard with Windows hot-keys, embedded numeric keypad, hot keys, inverted T cursor arrow keys, and separate page screen control keys.
Wide extra space below the keyboard panel for your wrist or palm to sit-on
comfortably during typing. (The keypad F4, F5, F7 on the following keyboard should no words print on it.)
Œ
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Function Keys
Windows Short-cut Key
Figure 1-3 Keyboard Layout
• ‘
Control Keys
Cursor Control Keys
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Ž
Windows
Start Menu Key
Outline of the A985
The notebook keyboard is a little bit different from a standard desktop keyboard. Aside from the normal alphanumeric characters and the standard keyboard function keys, the notebook keyboard includes an embedded numeric keypad, and special function keys that activates by pressing the <Fn> key together with another key. These special function keys or hot-keys allow you to control and adjust some of the functions of the notebook like display controls, power saving features, and others.
(1) Function Keys These function keys, out of <F1> through <F12>, are available on
the notebook keyboard. These keys also work together with the special functions. The following function-key combinations are pre-programmed:
Hot Key Function Handler
Fn + F3 Toggle Display (LCD/CRT/Simul) BIOS Handler Fn + F5 Display stretching BIOS Handler Fn + F6 Speaker On/Off BIOS Handler Fn + F8 Brightness Increase Controlled by PMU07 Fn + F9 Brightness Decrease Controlled by PMU07 Power button System Suspend to disk BIOS Handler
(2) Control keys<Ctrl>, <Alt>, <Fn>, and <Shift> keys are controls used in
conjunction with other keys to change their functions. To use control keys, press and hold the control key while pressing another key. For example, Press <Ctrl>+ <C> means to hold down the <Ctrl> key and type the letter <C>.
(3)
Windows keys (Windows Start Menu Key) –
Menu of Windows.
(4)
Shortcut/Application key
like a right mouse button.)
(5)
Cursor Control keys
where you want. On the screen, the cursor is a blinking underline, block, or vertical bar depending on the application.
(6) Typewriter keys – Typewriter keys (also called alphanumeric keys) are used to enter
text and characters. Keys with blue print on them behave differently when combined with control keys or the
(7) Numeric Keypad – Pressing <NumLock> on the keyboard activates the embedded
numeric keypad numbers and functions printed in blue on top of the keys. When you press <NumLock> again, the keys revert to their normal functions as typewriter keys.
– provides quick access to shortcut menus. (This key acts
– Cursor control keys let you position the cursor on the screen
<Fn>
key.
Use this key to activate the Start
<Fn>
key to activate
Figure 1-4 Embedded Numeric Keypad
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Integrated Microphone
This allows you to instantly record voice annotations (normally saved as WAV files) and later attached them to documents and presentation using the notebook integrated audio system and application software. Since the notebook also supports full-duplex audio capabilities, you can talk to the microphone and at the same time listen to others talk when connected to a speakerphone modem, Internet live chat, or video conferencing.
Power Status LED Indicator
Located just on TFT LED panel assembly, you will find three LEDs for the power and battery charge status. These LEDs are positioned to be visible even if the LCD cover is closed.
Œ
1. Power Indicator – lets you know if power to the system is turned on and if system is in
Suspend-to-RAM mode. This LED is positioned so that you can see it on both sides whether the LCD panel is opened or closed.
2. Battery Charging LED – lights to indicate battery in charging status.
Status LED Panel
The Status LED Panel keeps you informed of the notebooks current operating status. Each LED is marked with an icon to designate a system status.
Power Indicator
Figure 1-5 Power Status LED Indicator
Lights blue when the system is powered on using the AC adapter or battery.
Lights blue blinking when in Suspend to RAM mode and critically low battery power. We strongly recommend that users create the partition "Save to Disk" (for Win98 only) as this will prevent your data from loss when power is critically low. For Windows version later then Win98, please use hibernation mode instead.
Lights blue to indicate the battery is charging.
Lights off to indicate the battery is fully charged or no battery installed.
Battery Charging LED
Figure 1-6 Status LED Panel Icons
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